Section 1 may refer to:

Section 1 of the Canadian Charter of Rights and Freedoms Section 1 of the Constitution of Australia Section 1 of the Constitution Act, 1867, Canada Internal Revenue Code section 1 in the United States Section 1 of the Indian Penal Code, defining the territorial jurisdiction of the criminal code Section 1 (NYSPHSAA), the southern Hudson Valley section of the New York State Public High School Athletic Association, U.S. Section 1, a joint venture label of Partisan Records

See also

MI1, or British Military Intelligence, Section 1